FordMustacheGT
Well-Known Member
- Thread starter
- #1
I noticed a rattling sound similar to a loose/rattling chain when I’m at/near WOT above 4.5k rpm. All of the other threads talk about a chain rattling sound at lower RPMs, I haven’t noticed this at all. I only hear this noise at the upper end of the range and only when the throttle is >85% open.
Does anyone have any ideas on what I should look at first? I ordered a black stone oil analysis kit, when I get the kit I’ll change the oil and send a sample out for analysis.
I don’t have any check engine lights, I’d assume my knock sensor would pick up any knocking and throw a code but I’m not completely sure how that is programmed to function.
The first time I noticed this noise was after a track/autocross day. This was set up a little different than normal autocross; it took place on a small track and we basically just ran as much as we wanted for an hour and a half. At one point I think I did a run for around 40-50 min straight of mostly right turns. Around this time I also notice the diff making a bit more noise, like the backlash between the gear sets opened up a little bit. I’m not as worried about that, but I’m just making a mental note about that noise.
Does anyone have any ideas on what I should look at first? I ordered a black stone oil analysis kit, when I get the kit I’ll change the oil and send a sample out for analysis.
I don’t have any check engine lights, I’d assume my knock sensor would pick up any knocking and throw a code but I’m not completely sure how that is programmed to function.
The first time I noticed this noise was after a track/autocross day. This was set up a little different than normal autocross; it took place on a small track and we basically just ran as much as we wanted for an hour and a half. At one point I think I did a run for around 40-50 min straight of mostly right turns. Around this time I also notice the diff making a bit more noise, like the backlash between the gear sets opened up a little bit. I’m not as worried about that, but I’m just making a mental note about that noise.
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